CONFIG_IP_VS: IP virtual server support

General informations

The Linux kernel configuration item CONFIG_IP_VS has multiple definitions:

IP virtual server support found in net/netfilter/ipvs/Kconfig

The configuration item CONFIG_IP_VS:

• prompt: IP virtual server support
• type: tristate
• depends on: ( CONFIG_INET && CONFIG_NETFILTER ) && (( CONFIG_NF_CONNTRACK || CONFIG_NF_CONNTRACK = CONFIG_n ))
• defined in net/netfilter/ipvs/Kconfig
• found in Linux kernels: 2.6.28–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12
• modules built: ip_vs, ip_vs

Help text

IP Virtual Server support will let you build a high-performance virtual server based on cluster of two or more real servers. This option must be enabled for at least one of the clustered computers that will take care of intercepting incoming connections to a single IP address and scheduling them to real servers.

Three request dispatching techniques are implemented, they are virtual server via NAT, virtual server via tunneling and virtual server via direct routing. The several scheduling algorithms can be used to choose which server the connection is directed to, thus load balancing can be achieved among the servers. For more information and its administration program, please visit the following URL: http://www.linuxvirtualserver.org/.

If you want to compile it in kernel, say Y. To compile it as a module, choose M here. If unsure, say N.

IP virtual server support (EXPERIMENTAL) found in net/ipv4/ipvs/Kconfig

The configuration item CONFIG_IP_VS:

• prompt: IP virtual server support (EXPERIMENTAL)
• type: tristate
• depends on: CONFIG_NETFILTER
• defined in net/ipv4/ipvs/Kconfig
• found in Linux kernels: 2.6.0–2.6.27
• modules built: ip_vs, ip_vs

Help text

IP Virtual Server support will let you build a high-performance virtual server based on cluster of two or more real servers. This option must be enabled for at least one of the clustered computers that will take care of intercepting incoming connections to a single IP address and scheduling them to real servers.

Three request dispatching techniques are implemented, they are virtual server via NAT, virtual server via tunneling and virtual server via direct routing. The several scheduling algorithms can be used to choose which server the connection is directed to, thus load balancing can be achieved among the servers. For more information and its administration program, please visit the following URL: http://www.linuxvirtualserver.org/.

If you want to compile it in kernel, say Y. To compile it as a module, choose M here. If unsure, say N.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module ip_vs CONFIG_IP_VS : net/ipv4/ipvs/Kconfig : "IP virtual server support (EXPERIMENTAL)" # in 2.6.0–2.6.27
• lkddb module ip_vs CONFIG_IP_VS : net/netfilter/ipvs/Kconfig : "IP virtual server support" # in 2.6.28–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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